Home / 15,939.30-21,994.70-9,223.59

Finding the Fourth Proportional to 15,939.30, 21,994.70 and 9,223.59

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Solution

The fourth proportional to 15,939.30, 21,994.70 and 9,223.59 is: 12,727.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,939.30 : 21,994.70 = 9,223.59 : x
  2. Step 2: Convert to fraction form
    15,939.30/21,994.70 = 9,223.59/x
  3. Step 3: Cross multiply
    15,939.30x = 21,994.70 × 9,223.59
  4. Step 4: Simplify right side
    15,939.30x = 202,870,048.86
  5. Step 5: Solve for x
    x = 202,870,048.86/15,939.30
  6. Step 6: Final answer
    x = 12,727.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.